Whats the evolution of the microscope in timeline

A scientist in a lab looks under a microscope at muscle tissue and makes a few observations on what he notices.

When you are holding a book energy is stored between the book and earth this type of energy called?

Which of the following statements correctly describes how the jet stream effects local weather? As the jet stream moves southward, it will bring with it colder temperatures. Air pressure south of the jet stream is greater than north of the system.

A forest ecosystem can support a limited number of bears. This is because?

Meiosis is associated with the: haploid number of chromosomes, somatic cells, gamete cells, diploid number of chromosomes Pick all that apply

Which two characteristics describe all animals? A. multicellular and symmetrical B. multicellular and asymmetrical C. heterotrophic and multicellular D. heterotrophic and unicellular

In which of these sports may reaction time be least important, basketball, hockey, soccer or bowling? why?

A simplified model of the human blood-type system has four blood types: a, b, ab and o. thereare two antigens, anti-a and anti-b. anti-a reacts with blood type a and ab, anti-breactswith b and ab.

If a population is growing at 2% how long will it take their population to double

What problem does distilled water in a patient's bloodstream create?